void sys_checkdir(char *path, int wr)
{
char *p;
if (access(path, X_OK | (wr ? W_OK : 0)))
{
if (!access(path, F_OK))
die("cannot access %s: %s\n", path, strerror(errno));
p = strrchr(path, '/');
if (!p) die("descended to root trying to create dirs\n");
*p = 0;
sys_checkdir(path, wr);
*p = '/';
if (mkdir(path, 0777))
die("cannot create %s: %s\n", path, strerror(errno));
}
}
void loader_init(char *s)
{
char *name, *p;
sys_checkdir(savedir, 1); /* needs to be writable */
romfile = s;
rom_load();
vid_settitle(rom.name);
if (savename && *savename)
{
if (savename[0] == '-' && savename[1] == 0)
name = ldup(rom.name);
else name = strdup(savename);
}
else if (romfile && *base(romfile) && strcmp(romfile, "-"))
{
name = strdup(base(romfile));
p = strchr(name, '.');
if (p) *p = 0;
}
else name = ldup(rom.name);
saveprefix = malloc(strlen(savedir) + strlen(name) + 2);
sprintf(saveprefix, "%s/%s", savedir, name);
sramfile = malloc(strlen(saveprefix) + 5);
strcpy(sramfile, saveprefix);
strcat(sramfile, ".sav");
rtcfile = malloc(strlen(saveprefix) + 5);
strcpy(rtcfile, saveprefix);
strcat(rtcfile, ".rtc");
sram_load();
rtc_load();
atexit(cleanup);
}